词汇	vocaburary teahing
释义	vocaburary teahing 词汇教学
随便看	preproduction helicopter preproduction inspection pre-production meeting pre-production missile preproduction model pre-production model Pre-Production Operational Test preproduction planning pre-production planning preproduction prototype Pre-Production Proveout Test Preproduction Qualification Test Preproduction Reliability Design Review preproductions pre-productions preproduction sample pre-production service pre-production stage preproduction test pre-production test preproduction trial pre production trial pre-production trial preproduction type test preproduction-type test